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发明名称
Vorrichtung zum rotierbaren Positionieren und Blockieren einer Antriebswelle auf verschiedenen Winkeln
摘要
申请公布号
DE60118803(D1)
申请公布日期
2006.05.24
申请号
DE20016018803
申请日期
2001.08.29
申请人
BAKER-HUGHES INC., HOUSTON
发明人
KAHN, JOHN B.;ESTES, ROBERT A.
分类号
E21B7/06;E21B47/022;G01C19/38
主分类号
E21B7/06
代理机构
代理人
主权项
地址
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